package com.sky.controller.admin;


import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.mapper.DishMapper;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

import static java.util.ResourceBundle.clearCache;

@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品相关接口")
@Slf4j

public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private DishMapper dishMapper;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     *新增菜品
     */
    @PostMapping
    @ApiOperation("新增菜品")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增菜品{}",dishDTO);
        //dishService.saveWithFlavor(dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理缓存数据
        String key = "dish_" + dishDTO.getCategoryId();
        clearCache(key);//只删除了某一个key
        return Result.success();
    }

//    private void clearCache(String key) {
//    }

    /**
     * 菜品分页查询
     */
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO){
        log.info("菜品分页查询：{}",dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }


    /**
     * 菜品批量删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除：{}",ids);
        dishService.deleteBatch(ids);

        //将所有的菜品缓存数据清理掉 所有以dish_开头的key
        clearCache("dish_*");
        return Result.success();
    }

    /**
     * 根据id查询菜品
     */
    @GetMapping("/{id}")
    @ApiOperation("根据id查询菜品")
    public Result<DishVO> getById(@PathVariable Long id){
        log.info("根据id查询菜品：{}",id);
        DishVO dishVO = dishService.getByIdWithFlavor(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

        //将所有的菜品缓存数据清理掉 所有以dish_开头的key
        clearCache("dish_*");
        return Result.success();
    }


    //-------------------------------------
    /**
     * 起售停售
     * @param status
     * @param
     * @return
     */
    @PostMapping("/status/{status}")
    @ApiOperation("菜品起售停售")
    public Result<String> startOrStop(@PathVariable Integer status,Long id){//DishDTO dishDTO  ("status")
        dishService.startOrStop(status,id);

        //将所有的菜品缓存数据清理掉 所有以dish_开头的key
        clearCache("dish_*");
        return Result.success();
    }


    /**
     * 根据分类id查询菜品
     */
    @GetMapping("/list")
    @ApiOperation("根据分类id查询菜品")
    public Result <List<Dish>> list(long categoryId){
        List<Dish> list = dishService.list(categoryId);
        return Result.success(list);
    }

    /**
     * 根据id查询菜品和口味
     * 无
     */
    @GetMapping("/listwithFlavor")
    @ApiOperation("根据id查询菜品和口味")
    public Result<List<DishVO>> listWithFlavor(Dish dish){
        List<DishVO> list = dishService.listWithFlavor(dish);
        return Result.success(list);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void clearCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
